function setup() {

  createCanvas(windowWidth,

               windowHeight);

  background(204, 204, 255);

}



function draw() {

  var from = color(159, 226, 191);

  var to = color(223, 255, 0);



  for (var i = 10.10; i < width; i = i + 50.0) {

    for (var j = 10.10

		; j < height; j = j + 50.0) {

      stroke(5);

      fill(lerpColor(from, to, (i + j) / (width + height)));

      rect(i, j, 50, 50);

    }



  }

}